1,769 research outputs found

    First Results from the rapid-response spectrophotometric characterization of Near-Earth Objects

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    As part of our multi-observatory, multi-filter campaign, we present \rmi color observations of 82 Near-Earth Objects (NEOs) obtained with the RATIR instrument on the 1.5m robotic telescope at the San Pedro Martir's National Observatory in Mexico. Our project is particularly focused on rapid response observations of small (850\lesssim 850 m) NEOs. The rapid response and the use of spectrophotometry allows us to constrain the taxonomic classification of NEOs with high efficiency. Here we present the methodology of our observations and our result, suggesting that the ratio of C-type to S-type asteroids in a size range of \sim30-850m is 1.1, which is in accordance with our previous results. We also find that 10%\% of all NEOs in our sample are neither C- nor S-type asteroidsComment: 31 pages, 4 tables, 10 figure

    Community Isolation Project

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    Introduction The authors of this summary are nursing students at Seattle Pacific University, and the project goal is focused on understanding feelings of isolation in elderly communities and whether fostering social activities, such as Bingo, would improve social interaction between residents in this community. For the past two years, the COVID-19 pandemic has altered various aspects of social interaction. From masking to social distancing, societal norms and expectations evolved in a manner that promoted isolation and minimal interaction to inhibit the spread of Covid infection between individuals. Of the general populace, the most vulnerable and at risk for infection are the elderly and those with comorbidities. Subsequently, older individuals are more at risk for rigid social isolation precautions due to the risk of infection, affecting many of the individuals in this group who live in community settings such as nursing homes and long-term care facilities. This project ultimately seeks to understand how older individuals might feel after participating in community activities with one another as well as assess for any feelings of depression and social isolation post pandemic.  Background The population worked with is a subsidized living community for individuals over the age of 62. The 200-plus unit apartment complex is located in North Seattle just off the Aurora business district. Social isolation and loneliness in older adults living in communities such as this is a growing concern especially since the pandemic showing upwards of 29% of the elderly population to report being lonely in the U.S. (Taylor, et al., 2018). Although it is hard to precisely measure social isolation and loneliness, the evidence that does exist shows there is an increased risk for dementia alone, by fifty percent, with links to an increase in cardiovascular disease, stroke, anxiety, depression, and suicide (CDC, 2021). More recent studies in populations of older adults residing in senior housing communities seem to experience higher levels of loneliness due to lower-income, being alone due to the death of a spouse/partner, having fewer confiding relationships, depression, and other significant comorbidities as mentioned, as compared to those living in conventional housing (Taylor, et al., 2018). This is attributed to having less contact with family and friends, social anxiety of meeting neighbors, and altogether feeling of not being supported (Taylor, et al., 2018). The COVID-19 pandemic added more barriers to social isolation and loneliness for the elderly due to early restrictions of in-person gatherings, recreational activities within the community, family gatherings being canceled, spiritual congregations canceled, and many deaths within the community, all adding to the sense of isolation, loneliness, and depression (Webb and Chen, 2021). As far as interventions to combat loneliness and social isolation, there have been many. It is difficult to analyze due to individual experience surrounding the issues (Fakoya et al., 2020). There is not a “one-size-fits all” standardization to address social isolation and loneliness in the elderly, showing that tailoring interventions to specific community and individual needs as being the best approach (Fakoya et al., 2020). Activities with Rationale When discussing what activities or events the project should center around, the team collaborated with the property manager at the senior living community to ensure the provided activity would be both fun and engaging for the residents, as well as beneficial and information-producing for our project and the property manager. After it was determined the project would center around targeting loneliness in elderly communities, an idea was landed on creating an event that would demonstrate the importance of connection and combat isolation. A transtheoretical model of change was used as the basis for this project. This change model states that behavior change takes place through the following stages: precontemplation, contemplation, preparation, action, maintenance, and termination. To measure this, pre- and post- surveys were filled out by residents to gather data to support the health promotion project’s claims. The project at the community included two Bingo days. The specific activity was determined through popular request by the residents who had mentioned playing and enjoying Bingo as a community in the past. A week prior to the first event, pre surveys were distributed asking the residents about their experience of isolation and/or loneliness if they had any. Residents were incentivized to attend the Bingo events with promised coffee, snacks, and small prizes for Bingo winners. Residents were even given a chance to be entered into a randomized drawing for a fifteen-dollar gift card to Sprouts, a local grocery store, which was conducted at the end of each Bingo day. After the events, those who participated in Bingo were then further encouraged to fill out post surveys. These surveys questioned how it felt to engage in the community and if their feelings or loneliness/isolation had changed in order to assess the impact the bingo event had on mood and affect. For the purposes of this project, it was important not only to gather information, but to model what having community events, such as Bingo, could look like and how they would positively impact the community. Outcomes To gain a better understanding of how the community felt regarding loneliness, isolation, and their willingness to participate in group activities, pre- and post-bingo surveys were provided utilizing the Likert scale. In return, 30 pre-surveys were returned from the community. Following the event, 30 post-surveys were filled out by the residents who participated in Bingo. After reviewing the results of the pre-surveys, it was concluded that the overall community often feels a sense of loneliness, but they have an ardent desire to participate in group activities. After 2 days of Bingo, residents who joined us were asked to fill out a post-survey to gauge if the group activity had any effect on them. In almost every single post activity survey received, residents answered that playing Bingo with their community positively impacted their mental health, they would play Bingo or attend another event again, and they found it easier to build relationships with their community members while engaging in Bingo together. The community engagement surveys revealed that group activities such as bingo led to an outcome of decreased loneliness and isolation. According to the data collected, hosting and facilitating social events, specifically for older adult populations, post pandemic, is extremely beneficial to mental health and overall wellness. Conclusion Although Covid has been around for two years now, it has proven to be very difficult to navigate, especially in community settings such as this subsidized living community. This pandemic has been exceptionally problematic as facilities search for a balance betweenl encouraging social activity, and also promoting physical safety from Covid-19. While preventing the spread of the virus is certainly a priority, mental health, arguably, is just as crucial to one\u27s well-being as their physical health. The surveys collected in this project revealed that while many individuals had a strong urge to engage in social activities, a sense of loneliness in the community still exists for many people. As mentioned in other studies, there’s no “correct” way to decrease feelings of isolation as the process of overcoming this sense of remoteness may be very specific to the community. Luckily, the staff at this site are very in tune with their population and they disclosed that Bingo is a popular activity among the residents. It was important that the activity was appropriate and engaging for people of all different backgrounds as the intent of the project was to foster community engagement and improve social interactions among the group. Overall, there was a great turnout of people at both the first and second Bingo events, further exemplifying the enthusiasm many individuals shared about wanting to be more engaged in the community. Because there was such a big turnout, the group had a few challenges to overcome. Firstly, accessibility and navigation within the conference room was a little tight the first time around which the group was able to overcome by rearranging tables to accommodate for walkers and wheelchairs. Secondly, while there was a provided space and Bingo set, the budget for prizes and snacks was also very limited which led to the group contributing personal funds to the project. Lastly, while the post-surveys offered great insight, they provided information on a very small percentage of the population. The results of the surveys are from the perspective of individuals who most likely often attend group activities, which ultimately skews the information as this may not accurately represent the entirety of the population at this senior community. For a more accurate representation of the community, there would need to be a larger sample number. The project proved to be successful as many of the residents answered in their post-surveys that the Bingo event decreased feelings of loneliness and isolation, therefore positively impacting their mental health. Many of the individuals also stated in their questionnaires that they would attend more Bingo events in the future. In addition, residents were also eager to suggest other fun group activities such as painting, gardening, picnics, and dances. Moving forward, it would be beneficial for future groups to try other activities in addition to Bingo. Different events may motivate social interaction from the individuals who don’t enjoy activities such as Bingo and would facilitate a feeling of excitement in anticipation for a communal gathering that is both entertaining and interactive. This health promotion project found Bingo to be a successful event in which participants were able to maintain a safe social distance, and engage together in a fun, community activity. References Fakoya, O., McCorry, N., & Donnelly, M. (2020). Loneliness and social isolation for older adults: A scoping review of reviews. BMC Public Health, 20(129). https://doi.org/10.1186/s12889-020-8251-6 Centers for Disease Control and Prevention (2021). Loneliness and social isolation linked to serious health conditions. (n.d.).  https://www.cdc.gov/aging/publications/features/lonely-older-adults.html#:~:text=A%20report%20from%20the%20National,considered%20to%20be%20socially%20isolated Taylor, H., Wang, Y., & Morrow-Howell, N. (2018). Loneliness in senior housing communities. Journal of Gerontological Social Work, 61(6), 623-639. https://doi.org/10.1080/01634372.2018.1478352 Webb, L., & Chen, C. (2021). The covid-19 pandemic\u27s impact on older adults\u27 mental health: Contributing factors, coping strategies, and opportunities for improvement. Int J Geriatr Psychiatry. https://doi.org:10.1002/gps.564

    Design and Development of an Integrated Web-based System for Tropical Rainfall Monitoring

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    This study is about the design and development of an integrated web-based system for tropical rainfall monitoring. The system gathers data using a network of low-cost, Android-based acoustic rainfall sensors, a nationwide infrastructure of 5 GHz wireless broadband links, and remote weather stations. The low-cost Android-based acoustic rainfall sensors are deployed at high densities over a local area and the 5 GHz wireless broadband sensors gather rainfall information on a nationwide scale. The sensor network provides information about spatial-variations that are characteristics of tropical rain rates, and complement data from the scarcely deployed remote weather stations. Gathered data is then processed and displayed on a web interface

    The Student Movement Volume 107 Issue 17: I Dreamed a Dream : AU One Day Closer to Spring

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    HUMANS Joyful Resilience: An Interview with Artist Jasmin Hislop, Interviewed by Solana Campbell Love is in the Air, Interviewed by Grace No Working at the Writing Center: Interview With Camilia Howell, Interviewed by Gloria Oh Arts & Entertainment Blackventist Praise, Nathaniel Reid Ceramics: Revival of the Art Elective, Ysabelle Fernando Currently: The Romantics, Solana Campbell Freedom: a Black History Month Playlist, Amelia Stefanescu NEWS Dinosaurs Under the Microscope: Mary Higby Schweitzer Visits Andrews, Alannah Tjhatra Les Misérables at the Chicago Cadillac Palace Theatre, Gloria Oh IDEAS Engineering What We Eat: The Past, Present, and Future of Genetically Modified Food, Alexander Navarro Russia and Ukraine: New Year, New Direction?, Melissa Moore Stress and Video Games, Rachel Ingram-Clay PULSE Can Political Parties Be Inherently Christ-Like?, Wambui Karanja Is Honors an Advantage to our Students?, Melissa Moore The Wellness Center Happenings, Lexie Dunham LAST WORD Why Read? Practice Makes Better. Terika Williamshttps://digitalcommons.andrews.edu/sm-107/1016/thumbnail.jp

    The Student Movement Volume 107 Issue 13: We\u27ve Got the Spirit: Students Celebrate Dr. Luxton

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    HUMANS Best of Bon Appetit, Nora Martin Interview with the Dean of Lamson and Meier Halls, Interviewed by: Grace No The Joy of Japan, Interviewed by: Gloria Oh ARTS & ENTERTAINMENT A Creation Adventure, Nathaniel Reid Currently: Velma, Solana Campbell Suite Dreams for Sweet Dreams, Skylor Stark Where do I Find God? Part II, Anonymous NEWS AUSA Celebrates 100 Years of Student-Led Action, Andrew Francis Response to A House Divided Story, Christon Arthur, Provost Where\u27s the Harm in True Crime?. Abigail Kim IDEAS Redefining Free Agency in Sports, Andrew Francis Flying Cars of 2030, Rachel Ingram-Clay The Spooky Nature of Our Physical World, Alexander Navarro The State of AI, Abby Shim PULSE Debunking Myths Surrounding J.N. Andrews Honors Program, Gloria Oh Our Dear AU: A Spirit Week Tour, Lexie Dunham Romance and Reading, Gloria Oh LAST WORD An Ode to Tea, Alexander J. Hesshttps://digitalcommons.andrews.edu/sm-107/1012/thumbnail.jp

    The Holy Grail: A road map for unlocking the climate record stored within Mars' polar layered deposits

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    In its polar layered deposits (PLD), Mars possesses a record of its recent climate, analogous to terrestrial ice sheets containing climate records on Earth. Each PLD is greater than 2 ​km thick and contains thousands of layers, each containing information on the climatic and atmospheric state during its deposition, creating a climate archive. With detailed measurements of layer composition, it may be possible to extract age, accumulation rates, atmospheric conditions, and surface activity at the time of deposition, among other important parameters; gaining the information would allow us to “read” the climate record. Because Mars has fewer complicating factors than Earth (e.g. oceans, biology, and human-modified climate), the planet offers a unique opportunity to study the history of a terrestrial planet’s climate, which in turn can teach us about our own planet and the thousands of terrestrial exoplanets waiting to be discovered. During a two-part workshop, the Keck Institute for Space Studies (KISS) hosted 38 Mars scientists and engineers who focused on determining the measurements needed to extract the climate record contained in the PLD. The group converged on four fundamental questions that must be answered with the goal of interpreting the climate record and finding its history based on the climate drivers. The group then proposed numerous measurements in order to answer these questions and detailed a sequence of missions and architecture to complete the measurements. In all, several missions are required, including an orbiter that can characterize the present climate and volatile reservoirs; a static reconnaissance lander capable of characterizing near surface atmospheric processes, annual accumulation, surface properties, and layer formation mechanism in the upper 50 ​cm of the PLD; a network of SmallSat landers focused on meteorology for ground truth of the low-altitude orbiter data; and finally, a second landed platform to access ~500 ​m of layers to measure layer variability through time. This mission architecture, with two landers, would meet the science goals and is designed to save costs compared to a single very capable landed mission. The rationale for this plan is presented below. In this paper we discuss numerous aspects, including our motivation, background of polar science, the climate science that drives polar layer formation, modeling of the atmosphere and climate to create hypotheses for what the layers mean, and terrestrial analogs to climatological studies. Finally, we present a list of measurements and missions required to answer the four major questions and read the climate record. 1. What are present and past fluxes of volatiles, dust, and other materials into and out of the polar regions? 2. How do orbital forcing and exchange with other reservoirs affect those fluxes? 3. What chemical and physical processes form and modify layers? 4. What is the timespan, completeness, and temporal resolution of the climate history recorded in the PLD

    Progressive Shifts in the Gut Microbiome Reflect Prediabetes and Diabetes Development in a Treatment-Naive Mexican Cohort.

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    Type 2 diabetes (T2D) is a global epidemic that affects more than 8% of the world\u27s population and is a leading cause of death in Mexico. Diet and lifestyle are known to contribute to the onset of T2D. However, the role of the gut microbiome in T2D progression remains uncertain. Associations between microbiome composition and diabetes are confounded by medication use, diet, and obesity. Here we present data on a treatment-naive cohort of 405 Mexican individuals across varying stages of T2D severity. Associations between gut bacteria and more than 200 clinical variables revealed a defined set of bacterial genera that were consistent biomarkers of T2D prevalence and risk. Specifically, gradual increases in blood glucose levels, beta cell dysfunction, and the accumulation of measured T2D risk factors were correlated with the relative abundances of four bacterial genera. In a cohort of 25 individuals, T2D treatment-predominantly metformin-reliably returned the microbiome to the normoglycemic community state. Deep clinical characterization allowed us to broadly control for confounding variables, indicating that these microbiome patterns were independent of common T2D comorbidities, like obesity or cardiovascular disease. Our work provides the first solid evidence for a direct link between the gut microbiome and T2D in a critically high-risk population. In particular, we show that increased T2D risk is reflected in gradual changes in the gut microbiome. Whether or not these T2D-associated changes in the gut contribute to the etiology of T2D or its comorbidities remains to be seen

    The Student Movement Volume 107 Issue 11: Have a Merry Christmas! XOXO, The Student Movement

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    HUMANS Coping with Finals, Solana Campbell Meet Jea Erazo, AUSA Public Relations Officer. Interviewed by: Caryn Cruz Remembering Sharon Dudgeon, Grace No Women in STEM: Olivia Joyce, Interviewed by: Gloria Oh ARTS & ENTERTAINMENT Football Sunday, Nathaniel Reid, Skylor Stark Student Picks: Christmas Classics, Ysabelle Fernando NEWS AFIA x MLS Christmas Party, Ceiry Flores Boycotts and Bans at the Qatar World Cup, Hannah Cruse In Loving Memory of Seth Williams, Gloria Oh IDEAS How Do We Address Queer Violence?, Alexander J. Hess Is Reality Really Real When You Aren\u27t Really Looking?, Alexander Navarro Reflecting on Christmas Traditions, Rachel Ingram-Clay The New Era of Book Bans, Elizabeth Getahun Why is Everyone so Happy During Christmastime?, Kayla-Hope Bruno PULSE Bon Appétit and the Threat to Cultural Autonomy, Wambui Karanja It\u27s OrnaMEANT to be a Wonderful Christmastime, Lexie Dunham It\u27s the Most Stressful Time of the Year, Reagan McCain Qatar Controversy: The Shadow Behind the World Cup, Melissa Moore Reflections on the Semester and Plans for Break, Elizabeth Dovich LAST WORD A Student Movement Christmas, The Student Movement Staffhttps://digitalcommons.andrews.edu/sm-107/1010/thumbnail.jp

    A multi-stage genome-wide association study of bladder cancer identifies multiple susceptibility loci.

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    We conducted a multi-stage, genome-wide association study of bladder cancer with a primary scan of 591,637 SNPs in 3,532 affected individuals (cases) and 5,120 controls of European descent from five studies followed by a replication strategy, which included 8,382 cases and 48,275 controls from 16 studies. In a combined analysis, we identified three new regions associated with bladder cancer on chromosomes 22q13.1, 19q12 and 2q37.1: rs1014971, (P = 8 × 10⁻¹²) maps to a non-genic region of chromosome 22q13.1, rs8102137 (P = 2 × 10⁻¹¹) on 19q12 maps to CCNE1 and rs11892031 (P = 1 × 10⁻⁷) maps to the UGT1A cluster on 2q37.1. We confirmed four previously identified genome-wide associations on chromosomes 3q28, 4p16.3, 8q24.21 and 8q24.3, validated previous candidate associations for the GSTM1 deletion (P = 4 × 10⁻¹¹) and a tag SNP for NAT2 acetylation status (P = 4 × 10⁻¹¹), and found interactions with smoking in both regions. Our findings on common variants associated with bladder cancer risk should provide new insights into the mechanisms of carcinogenesis

    A multi-stage genome-wide association study of bladder cancer identifies multiple susceptibility loci.

    Get PDF
    We conducted a multi-stage, genome-wide association study of bladder cancer with a primary scan of 591,637 SNPs in 3,532 affected individuals (cases) and 5,120 controls of European descent from five studies followed by a replication strategy, which included 8,382 cases and 48,275 controls from 16 studies. In a combined analysis, we identified three new regions associated with bladder cancer on chromosomes 22q13.1, 19q12 and 2q37.1: rs1014971, (P = 8 × 10⁻¹²) maps to a non-genic region of chromosome 22q13.1, rs8102137 (P = 2 × 10⁻¹¹) on 19q12 maps to CCNE1 and rs11892031 (P = 1 × 10⁻⁷) maps to the UGT1A cluster on 2q37.1. We confirmed four previously identified genome-wide associations on chromosomes 3q28, 4p16.3, 8q24.21 and 8q24.3, validated previous candidate associations for the GSTM1 deletion (P = 4 × 10⁻¹¹) and a tag SNP for NAT2 acetylation status (P = 4 × 10⁻¹¹), and found interactions with smoking in both regions. Our findings on common variants associated with bladder cancer risk should provide new insights into the mechanisms of carcinogenesis
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